Alert archive / Pennsylvania / 2009
Weather alerts in Pennsylvania, March 2009
59 weather alerts in March 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in March 2009. Tap one for its archive.
- Alerts
- 59
- Warnings
- 26
- Watches
- 5
- Advisories
- 24
- Busiest day
- March 29, 200917 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 3:07 AM EST | Winter Storm Watch | CTP | Lancaster, Lebanon, Schuylkill, York | 12 hr |
| Mar 1, 3:30 AM EST | Winter Storm Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 37 hr |
| Mar 1, 3:56 AM EST | Winter Weather Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 38 hr |
| Mar 1, 11:31 AM EST | Winter Storm Warning | CTP | Lancaster, York | 16 hr |
| Mar 1, 11:31 AM EST | Winter Weather Advisory | CTP | Adams, Dauphin, Lancaster, Lebanon, Schuylkill, York | 24 hr |
| Mar 1, 9:09 PM EST | Mesoscale Discussion | SPC | Bucks, Delaware, Philadelphia | 4 hr |
| Mar 2, 3:45 AM EST | Winter Weather Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Mar 2, 5:38 AM EST | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 3 hr |
| Mar 2, 2:27 PM EST | Wind Chill Advisory | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 2 more | 13 hr |
| Mar 2, 2:38 PM EST | Wind Chill Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 18 hr |
| Mar 2, 2:46 PM EST | Wind Chill Advisory | BGM | Bradford, Susquehanna, Wayne | 19 hr |
| Mar 7, 3:24 AM EST | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 4 days |
| Mar 8, 3:15 PM EDT | Wind Advisory | CLE | Crawford, Erie | 18 hr |
| Mar 8, 3:29 PM EDT | Wind Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 24 hr |
| Mar 8, 9:38 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Mar 9, 4:12 AM EDT | Wind Advisory | PHI | Berks, Delaware, Philadelphia | 12 hr |
| Mar 9, 6:31 AM EDT | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 15 hr |
| Mar 9, 6:36 AM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Warren | 3 hr |
| Mar 9, 6:57 AM EDT | River Flood Warning | CTP | Elk | 8 hr |
| Mar 9, 6:57 AM EDT | River Flood Warning | CTP | Elk | 4 hr |
| Mar 9, 9:36 AM EDT | Areal Flood Advisory | BGM | Susquehanna, Wayne | 4 hr |
| Mar 9, 9:59 AM EDT | River Flood Warning | BGM | Susquehanna | 52 hr |
| Mar 9, 9:59 AM EDT | River Flood Warning | BGM | Bradford | 71 hr |
| Mar 9, 11:33 AM EDT | River Flood Advisory | PBZ | Allegheny | 10 hr |
| Mar 9, 3:30 PM EDT | Flood Watch | CLE | Crawford, Erie | 41 hr |
| Mar 10, 3:16 AM EDT | Flood Watch | PBZ | Armstrong, Beaver, Butler, Clarion, Forest, Jefferson and 3 more | 23 hr |
| Mar 10, 4:07 AM EDT | Flood Watch | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more | 23 hr |
| Mar 10, 4:41 AM EDT | Wind Advisory | CLE | Crawford, Erie | 35 hr |
| Mar 10, 3:48 PM EDT | Wind Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 28 hr |
| Mar 10, 8:00 PM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Mar 10, 9:17 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga | 3 hr |
| Mar 10, 9:31 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 4 hr |
| Mar 10, 10:51 PM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Mar 17, 6:59 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 5 hr |
| Mar 17, 7:16 AM EDT | Dense Fog Advisory | CLE | Crawford, Erie | 3 hr |
| Mar 23, 3:05 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 17 hr |
| Mar 23, 4:23 AM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 19 hr |
| Mar 23, 4:48 AM EDT | Red Flag Warning | CTP | Columbia, Dauphin, Lancaster, Lebanon, Lycoming, Montour and 7 more | 15 hr |
| Mar 25, 7:08 AM EDT | Red Flag Warning | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 9 more | 9 hr |
| Mar 25, 12:16 PM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 8 hr |
| Mar 27, 3:55 AM EDT | Dense Fog Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 6 hr |
| Mar 27, 5:26 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 6 hr |
| Mar 29, 1:49 PM EDT | Mesoscale Discussion | SPC | Adams, Bucks, Chester, Cumberland, Delaware, Franklin and 5 more | 116 min |
| Mar 29, 2:15 PM EDT | Wind Advisory | CTP | Cambria, Somerset | 20 hr |
| Mar 29, 3:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 42 min |
| Mar 29, 3:54 PM EDT | Tornado Warning | CTP | York | 36 min |
| Mar 29, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 62 min |
| Mar 29, 4:21 PM EDT | Tornado Warning | CTP | Lancaster | 39 min |
| Mar 29, 4:34 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 71 min |
| Mar 29, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 94 min |
| Mar 29, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 61 min |
| Mar 29, 4:58 PM EDT | Tornado Warning | PHI | Berks | 62 min |
| Mar 29, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh | 64 min |
| Mar 29, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 63 min |
| Mar 29, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 16 min |
| Mar 29, 5:53 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 97 min |
| Mar 29, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Lehigh, Montgomery, Northampton | 50 min |
| Mar 29, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 64 min |
| Mar 29, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 51 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 11 |
| Tornado Warning | 3 |
| Mesoscale Discussion | 4 |
| Flooding | |
| River Flood Warning | 5 |
| Flood Watch | 4 |
| Areal Flood Advisory | 7 |
| River Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Cold | |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lancaster County12
- York County11
- Elk County10
- McKean County10
- Warren County9
- Lebanon County8
- Schuylkill County8
- Delaware County8
- Philadelphia County8
- Cameron County8
- Tioga County8
- Berks County7
- Lehigh County7
- Lycoming County7
- Potter County7
- Sullivan County7
- Wayne County6
- Adams County6
- Bucks County6
- Cambria County6
- Clinton County6
- Somerset County6
- Susquehanna County6
- Crawford County6
- Erie County6
- Northampton County5
- Dauphin County5
- Chester County5
- Montgomery County5
- Clarion County5
- Forest County5
- Jefferson County5
- Centre County5
- Clearfield County5
- Bradford County5
- Carbon County4
- Lackawanna County4
- Luzerne County4
- Pike County4
- Armstrong County4
24 more counties
- Butler County4
- Lawrence County4
- Mercer County4
- Venango County4
- Bedford County4
- Blair County4
- Columbia County4
- Cumberland County4
- Franklin County4
- Montour County4
- Northumberland County4
- Snyder County4
- Union County4
- Monroe County3
- Wyoming County3
- Fulton County3
- Huntingdon County3
- Juniata County3
- Mifflin County3
- Perry County3
- Allegheny County3
- Beaver County3
- Greene County2
- Washington County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.